Toyota Tundra (2015 year). Manual — part 1948
OK
NG
GO TO STEP 13
9.
READ VALUE USING TECHSTREAM (MAF)
OK
GO TO STEP 14
NG
GO TO STEP 15
10.
REPAIR OR REPLACE PCV SYSTEM
(a) Repair or replace the PCV system.
NEXT
GO TO STEP 14
11.
REPAIR OR REPLACE AIR INDUCTION SYSTEM
(a) Repair or replace the air induction system.
HINT:
Perform "Inspection After Repair" after repairing or replacing the air induction system
.
NEXT
GO TO STEP 14
12.
REPLACE AIR CLEANER FILTER
(a) Replace the air cleaner filter element sub-assembly.
NEXT
GO TO STEP 14
13.
CHECK AND REPAIR VVT SYSTEM
(a) Check and repair the VVT system.
HINT:
Refer to DTC P0011 Inspection Procedure
.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050A; Cold S...
NEXT
14.
CHECK WHETHER DTC OUTPUT RECURS (DTC P050A)
NOTICE:
For this operation, the engine must be cold (the same level as the engine coolant temperature recorded
in the freeze frame data).
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON and turn the Techstream on.
(g) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
(h) Check that the engine coolant temperature is between - 10°C and 50°C (14 and 122°F).
(i) Start the engine and warm it up.
(j) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving
Pattern.
(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
(l) Input the DTC: P050A.
(m) Check the DTC judgment result.
Result
RESULT
PROCEED TO
NORMAL (DTC is not output)
A
ABNORMAL (DTC P050A is output)
B
B
GO TO STEP 15
A
CHECK INTERMITTENT PROBLEMS
15.
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER CONNECTOR
CONNECTION)
.
HINT:
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050A; Cold S...
NEXT
A
Repair any problems.
16.
CHECK WHETHER DTC OUTPUT RECURS (DTC P050A)
NOTICE:
For this operation, the engine must be cold (the same level as the engine coolant temperature recorded
in the freeze frame data).
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON and turn the Techstream on.
(g) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
(h) Check that the engine coolant temperature is between - 10°C and 50°C (14 and 122°F).
(i) Start the engine and warm it up.
(j) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving
Pattern.
(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
(l) Input the DTC: P050A.
(m) Check the DTC judgment result.
Result
RESULT
PROCEED TO
ABNORMAL (DTC P050A is output)
A
NORMAL (DTC is not output)
B
B
END
17.
CHECK HARNESS AND CONNECTOR (MASS AIR FLOW METER - ECM)
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050A; Cold S...
OK
NEXT
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
18.
REPLACE MASS AIR FLOW METER
(a) Replace the mass air flow meter
.
HINT:
.
19.
CHECK WHETHER DTC OUTPUT RECURS (DTC P050A)
NOTICE:
For this operation, the engine must be cold (the same level as the engine coolant temperature recorded
in the freeze frame data).
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON and turn the Techstream on.
(g) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Coolant Temp.
(h) Check that the engine coolant temperature is between - 10°C and 50°C (14 and 122°F).
(i) Start the engine and warm it up.
(j) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving
Pattern.
(k) Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
(l) Input the DTC: P050A.
(m) Check the DTC judgment result.
Result
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050A; Cold S...
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